"An aircraft necessitates reliance on Transport Canada's rules around safety which are really quite rigorous," he said.
Once released, the histamine can react with local or widespread tissues through histamine receptors.
So patients with a severe mental illness, he explained, must be transferred immediately to a designated facility.
The problem is the closest hospital is in on the mainland in Terrace, B. This means patients have to be transferred by air ambulance.
Antihistamines are used in the treatment of allergic reactions, colds, hay fever, hives, and insect bites and stings.
Some antihistamines may also be helpful in reducing anxiety, inducing sleep, or at preventing or treating motion sickness.
Nonmaleficence, on the other hand, prohibits physicians from using their profession to cause patients harm.